b12 injection arm pain Intramuscular Deltoid How to self-inject intramuscular vitamin
Description
But the science behind the MIC injections does not support that claim

If a deficiency is linked to a chronic condition like pernicious anemia, Crohns, or celiac disease, you might need injections for the long haul to bypass the digestive system entirely

Vitamin B12 also comes in oral forms
for Cusco
roughly 50-98 % of an administered dose is renally excreted unmetabolized, underscoring the low intrinsic toxicity
